Problema Solution
Suppose you have $28 in your bank account and start saving $18.25 every week.your friend has $161 in his account and is withdrawing $15 every week. When will you account balance be the same? How muchoney?
Answer provided by our tutors
let x = the number of week after which the two account have same amount of money
after x weeks you will have: 28 + 18.25x
after x weeks your friend will have: 161 - 15x
28 + 18.25x = 161 - 15x
by solving we find
x = 4 weeks
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after 4 weeks the two accounts will balance the same.